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Admetula gittenbergeri
''Admetula gittenbergeri'' is a species of sea snail, a marine gastropod mollusk in the family Cancellariidae, the nutmeg snails.〔(Verhecken A. (2007). ''Revision of the Cancellariidae (Mollusca, Neogastropoda, Cancellarioidea) of the eastern Atlantic (40°N-40°S) and the Mediterranean''. Zoosystema : 29(2): 281-364 p. 286-289 )〕
==Description==
The size of the whitish, solid shell varies between 11 mm and 14 mm. The protoconch is paucispiral with a slightly less than one whorl and shows fine spiral striae (stretch marks). The teleoconch consists of 3.5 whorls with the second and the third whorl showing five spiral bands and the body whorl with twelve spiral bands. The whorls are axially crossed by twelve and thirteen rounded ribs on the second and third whorls nad by ten ribs on the body whorl. The white semicircular aperture has a nacreous gloss. The thick outer lip has no inner lirae. The columella shows two folds with a conspicuous tooth close to the siphonal canal. The umbilicus is closed by a callus. The periostracum is covered with thin, short hairs between the spiral cords.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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